Type Fisolation Interlock
Type F Isolation Interlock KIRK Type F interlock is a key operated mechanical interlock that is suitable for the control of electrical switchgear. The standard unit comes with a stainless steel 5/8” diameter locking bolt with a throw or travel of 3/4”. The locking bolt is used to control the rotation or SD Series movement of operating handles or toggles of electrical switchgear. Many suppliers of HD Series switchgear equipment have mounting provisions available for KIRK interlocks. The lock is manufactured in brass or stainless steel. OPERATION KIRK Type F interlocks are mechanically operated and suitable for the control of electrical switchgear and to inhibit movement of cams, toggles, or levers. Type F key operated mechanical interlock 1 Key is trapped, bolt is withdrawn 2 Change state of power, turn key, 3 Bolt is now a physical barrier to which extends bolt, releasing key switch and key is free to move to the next sequential interlock in the safety process. The length of the bolt is available in various lengths to suit each unique application. The travel of the bolt is always ¾”. For HD multiple cylinder interlocks, all missing keys must be inserted and turned before any trapped keys can be released. 1 of 6 While every effort has been made to ensure the accuracy of the information provided, no liability can be taken for any errors or omission. REV (12-19) Kirk Key Interlock Company, LLC reserves the right to alter specifications and introduce improvements without prior notice. www.kirkkey.com Type F Isolation Interlock USAGE KIRK Type F interlocks should be used on equipment as a physical barrier to electrical switches, push buttons, or levers.
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